Answer:
4 billion years
Explanation:
Scientists have found the oldest known rocks on Earth. They are 4.28 billion years old, making them 250 million years more ancient than any previously discovered rocks. Earth formed about 4.6 billion years ago from a disk of gas and dust circling the sun.
The answer is that they arrived in Mesoamerica in the 13th century
Answer:
No it will not stay the same for the next 30 years
Explanation:
We are polluting the planet vey fast and so fast that the planet cannot recover. Just thing of the virus spreading and now spreading so fat that we have no time to cure it .
After reviewing the graph you have given with the question, there are several reasons why carbon 14 can't be used to accurately determine the age of organic remains that are 1 million years old.
A few of the reasons are; Carbon-14 has a short half life, after 1,000,000 years there wouldn't be enough carbon 14, and too little of the original radioactive sample would remain. Any of these choices are correct for the answer to the question you asked.